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Superhydrophobic carbon-based materials: a review of synthesis, structure, and applications
Long-Yue Meng, Soo-Jin Park 한국탄소학회 Carbon Letters 16 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.2 5 89-104 (16 pages)
Materials with appropriate surface roughness and low surface energy can form superhydrophobic surfaces, displaying water contact angles greater than 150°. Superhydrophobic carbon-based materials are particularly interesting due to their exceptional physicochemical properties. This review discusses the various techniques used to produce superhydrophobic carbon-based materials such as carbon fibers, carbon nanotubes, graphene, amorphous carbons, etc. Recent advances in emerging fields such as... -
Interconnected meso/microporous carbon derived from pumpkin seeds as an efficient electrode material for supercapacitors
Mayakrishnan Gopiraman, Somasundaram Saravanamoorthy, Seung-Hyun Kim, Ill-Min Chung 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 10 73-81 (9 pages)
electrode materials. The resultant porous carbons (PS-600, PS-700, PS-800, and PS-900) were utilized as electrode material for supercapacitors. To our delight, the PS-900 demonstrated a maximum specific capacitance (Cs) of 303 F g?1 in 1.0 M H2SO4 at a scan rate of 5 mV. The electrochemical impedance spectra confirmed the poor electrical resistance of the electrode materials. Moreover, the stability of the PS-900 was found to be excellent (no significant change in the Cs even after 6000 cycles). -
The Effects of Abdominal Draw-in Maneuver on Hip, Abdominal Muscle Activation Pattern and Trunk, Pelvic Displacement during One Leg Standing
Jeong-Hoon Lee, Nam-Goo Kang, Byeong-Jin Kim, Jong-Gil Seo, Jae-Seop Oh 한국임상움직임치료학회 한국임상움직임치료학회지 9 Pages
한국임상움직임치료학회 한국임상움직임치료학회지 2021, 제 1권 제 1호 5 35-43 (9 pages)
Background : The one-leg standing (OLS) test is a method of evaluating trunk stability. The transverse abdominis (TrA) is an important muscle that contributes to trunk stability during functional movement through abdominal draw-in maneuver (ADIM). The gluteus medius (Gmed) is also important for functional movement and for stability of the hip joints in the muscles that prevent lateral deviation of the trunk in OLS. During ADIM, the Gmed, TrA and internal oblique (IO) muscles are activated. It... -
Effects of Central Interleukin-1 on the Cardiovascular Response in Hemorrhaged Rats
JoonHoKang, JaeHeeJang, DongKukAhn, JaeSikPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.2 4 89-94 (6 pages)
the autonomic nervous system through the rostral ventrolateral medulla (RVLM), a key area for the cardiovascular regulation, and the humoral regulation is mediated by a number of substances, including the angiotensin (Ang) II and vasopressin. Recent studies suggest that central interleukin-1 (IL-1) activates the sympathetic nervous system and produces hypertension. The present study was undertaken to elucidate whether IL-1 and Ang II interact in the regulation of cardiovascular responses to the... -
Preparation of gold nanoparticle/single-walled carbon nanotube nanohybrids using biologically programmed peptide for application of flexible transparent conducting films
MinHo Yang, Bong Gill Choi 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 4 26-31 (6 pages)
In this study, we report a general method for preparation of a one-dimensional (1D) arrangement of Au nanoparticles on single-walled carbon nanotubes (SWNTs) using biologically programmed peptides as structure-guiding 1D templates. The peptides were designed by the combination of glutamic acid (E), glycine (G), and phenylalanine (F) amino acids; peptides efficiently debundled and exfoliated the SWNTs for stability of the dispersion and guided the growth of the array of Au nanoparticles in a... -
Study on urea precursor effect on the electroactivities of nitrogen-doped graphene nanosheets electrodes for lithium cells
Ki-Yong Kim, Yongju Jung, Seok Kim 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 5 40-46 (7 pages)
Nitrogen-atom doped graphene oxide was considered to prevent the dissolution of polysulfide and to guarantee the enhanced redox reaction of sulfur for good cycle performance of lithium sulfur cells. In this study, we used urea as a nitrogen source due to its low cost and easy preparation. To find the optimum urea content, we tested three different ratios of urea to graphene oxide. The morphology of the composites was examined by field emission scanning electron microscope. Functional groups and... -
Synthesis and physicochemical characterization of NixZnx- FeO₂O₄/MWCNT nanostructures as enzyme mimetics with peroxidase-like catalytic activity
Navvabeh Salarizadeh, Minoo Sadri, Hassan Hosseini, Reza. H. Sajedi 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 14 103-110 (8 pages)
Carbon-based magnetic nanostructures in several instances have resulted in improved physicochemical and catalytic properties when compared to multi-wall carbon nanotubes (MWCNTs) and magnetic nanoparticles. In this study, magnetic MWCNTs with a structure of NixZnxFe2O4/MWCNT as peroxidase mimics were fabricated by the one-pot hydrothermal method. The structure, composition and morphology of the nanocomposites were characterized with X-ray diffraction (XRD), Fourier transform infrared... -
Waste coffee grounds-derived nanoporous carbon nanosheets for supercapacitors
Min Hong Park, Young Soo Yun, Se Youn Cho, Na Rae Kim, Hyoung-Joon Jin 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 8 66-71 (6 pages)
The development of nanostructured functional materials derived from biomass and/or waste is of growing importance for creating sustainable energy-storage systems. In this study, nanoporous carbonaceous materials containing numerous heteroatoms were fabricated from waste coffee grounds using a top-down process via simple heating with KOH. The nanoporous carbon nanosheets exhibited notable material properties such as high specific surface area (1960.1 m2 g?1), numerous redox-active heteroatoms...
